Using CN(C)C=O, C[C@@H]1CN(C(=O)OC(C)(C)C)C[C@H]2Cc3cc(Br)c(CN(C(=O)OC(C)(C)C)C4CC4)nc3N21 to produce C[C@@H]1CN(C(=O)OC(C)(C)C)C[C@H]2Cc3cc(C=O)c(CN(C(=O)OC(C)(C)C)C4CC4)nc3N21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.