Using CCOC(=O)CCCCCCCNC(=O)n1cc(-c2ccccc2)oc1=O to produce O=C(O)CCCCCCCn1c(-c2ccccc2)c[nH]c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.