Using COC(=O)/C(=C/c1nc(-c2ccccc2)ccc1NC(=O)OC(C)(C)C)NC(=O)OCc1ccccc1 to produce COC(=O)C(Cc1nc(-c2ccccc2)ccc1NC(=O)OC(C)(C)C)NC(=O)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.