Using O=C(CCc1ccc(CCl)cc1)Nc1ccc(-c2ccc(Cl)cc2)cc1, NCc1ccccc1 to produce O=C(CCc1ccc(CNCc2ccccc2)cc1)Nc1ccc(-c2ccc(Cl)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.