Using O=S1(=O)CCN2C=CN=C(c3ccc(Oc4ccccc4)cc3)C2=N1 to produce O=S1(=O)CCN2CCNC(c3ccc(Oc4ccccc4)cc3)C2=N1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.