Using COc1cc2c(Nc3ccc(C)c(OC(C)=O)c3)ncnc2cc1OCc1ccsc1 to produce COc1cc2c(Nc3ccc(C)c(O)c3)ncnc2cc1OCc1ccsc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.