Using CC(C)(C)[Si](C)(C)n1cc(Br)c2ccccc21, CC(C)(C)OC(=O)N1C2CCC1CC(=O)C2 to produce CC(C)(C)OC(=O)N1C2CCC1CC(O)(c1cn([Si](C)(C)C(C)(C)C)c3ccccc13)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.