Using COc1cc2c(cc1O)CNCC2c1ccc(Cl)c(Cl)c1, C=O to produce COc1cc2c(cc1O)CN(C)CC2c1ccc(Cl)c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.