Using COc1cc2c(cc1OC)C(c1ccc(Cl)c(Cl)c1)CNC2, C=O to produce COc1cc2c(cc1OC)C(c1ccc(Cl)c(Cl)c1)CN(C)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.