Using COc1ccc2c(c1)CNCC2c1ccc(Cl)c(Cl)c1, C=O to produce COc1ccc2c(c1)CN(C)CC2c1ccc(Cl)c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.