Using CC1=C(C(=O)O)N2C(=O)C(NC(=O)c3ccccc3)[C@H]2S(=O)C1, CC(C)(C)O to produce CC1=C(C(=O)OC(C)(C)C)N2C(=O)C(NC(=O)c3ccccc3)[C@H]2S(=O)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.