Using CI, O=C(O)c1cccc2cc(Cc3cc(=O)[nH]c(=S)[nH]3)ccc12 to produce CSc1nc(O)cc(Cc2ccc3c(C(=O)O)cccc3c2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.