Using COc1ccc2cc(CCCCC(=O)C=Cc3cccnc3)ccc2c1 to produce COc1ccc2cc(CCCCC(=O)CCc3cccnc3)ccc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.