Using COC(=O)C(Cc1ccc(Oc2ccc(CC3SC(=O)NC3=O)cc2)cc1)NC(=O)CNC(=O)OC(C)(C)C to produce COC(=O)C(Cc1ccc(Oc2ccc(CC3SC(=O)NC3=O)cc2)cc1)NC(=O)CN, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.