Using O=C(O)CCCc1ccccc1, NCC(=O)NC(c1ccccc1)c1ccc(Cl)cc1 to produce O=C(CCCc1ccccc1)NCC(=O)NC(c1ccccc1)c1ccc(Cl)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.