Using C=CCc1c(O)cccc1N1C(=O)C2=C(CCCC2)C1=O to produce CC1Cc2c(cccc2N2C(=O)C3=C(CCCC3)C2=O)O1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.