Using C=Cc1csc2c1c1ncnn1c(=O)n2Cc1ccc(OC)cc1, [O-][I+3]([O-])([O-])[O-] to produce COc1ccc(Cn2c(=O)n3ncnc3c3c(C=O)csc32)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.