Using CN(C)C=O, CC(C)C(C)(C)C(O[SiH](C)C)c1nc2c(cc1Br)C[C@@H]1CN(C(=O)OC(C)(C)C)C[C@@H](C)N21 to produce CC(C)C(C)(C)C(O[SiH](C)C)c1nc2c(cc1C=O)C[C@@H]1CN(C(=O)OC(C)(C)C)C[C@@H](C)N21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.