Using COC(=O)CCCCCCCn1c(-c2ccccc2)c(-c2ccccc2)n(C)c1=O to produce Cn1c(-c2ccccc2)c(-c2ccccc2)n(CCCCCCCC(=O)O)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.