Using O=C(Cl)c1ccccc1, NCC(=O)NC1CCN(Cc2ccc(Cl)cc2)CC1 to produce O=C(CNC(=O)c1ccccc1)NC1CCN(Cc2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.