Using O=S(=O)(O)O, CC(=O)CNC(=O)C(Cc1ccc(OCc2ccccc2)cc1)N1C(=O)c2ccccc2C1=O to produce CC(=O)Oc1ccc(CC(c2ncc(C)o2)N2C(=O)c3ccccc3C2=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.