Using COC(=O)CCCCCCCCO, O=C1NC(=O)N(c2ccccc2)C1c1ccccc1 to produce COC(=O)CCCCCCCCN1C(=O)C(c2ccccc2)N(c2ccccc2)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.