Using CCOC(=O)c1cccc(CSc2nc(-c3ccc(OC)cc3)c(-c3ccc(OC)cc3)[nH]2)c1 to produce COc1ccc(-c2nc(SCc3cccc(CO)c3)[nH]c2-c2ccc(OC)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.