Using OO, CCOC(=O)CCN(C(=O)c1ccc2sc(CSc3ccc(C(=N)N)cc3)nc2c1)c1ccccc1 to produce CCOC(=O)CCN(C(=O)c1ccc2sc(CS(=O)c3ccc(C(=N)N)cc3)nc2c1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.