Using O=C(Cl)N(c1ccccc1)c1ccccc1, O=C(O)C1CNCCN1 to produce O=C(O)C1CN(C(=O)N(c2ccccc2)c2ccccc2)CCN1C(=O)N(c1ccccc1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.