Using COC(=O)c1ccc(/C=C/c2nc(-c3ccccc3)c(C)s2)cc1 to produce COC(=O)c1ccc(CCc2nc(-c3ccccc3)c(C)s2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.