Using O=C(Cl)c1ccncc1, CC1(NC(=O)OCc2ccccc2)CCNCC1 to produce CC1(NC(=O)OCc2ccccc2)CCN(C(=O)c2ccncc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.