Using CCOC(=O)c1cnc2c(-c3ccc(Sc4ccccc4)cc3)cnn2c1O to produce Oc1ccnc2c(-c3ccc(Sc4ccccc4)cc3)cnn12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.