Using Cc1ccc(Sc2ccccc2C2(O)CCN(C(=O)OC(C)(C)C)CC2)cc1 to produce Cc1ccc(Sc2ccccc2C2=CCNCC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.