Using CC(C)C=Nn1c(=O)c(C2=NS(=O)(=O)c3ccccc3N2)c(O)c2sccc21, CO to produce O=c1c(C2=NS(=O)(=O)c3ccccc3N2)c(O)c2sccc2n1NCc1ccoc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.