Using CCOC(=O)C1CCN(c2cc(-c3ccccc3)nc3ccsc23)CC1, CCN to produce CCNC(=O)C1CCN(c2cc(-c3ccccc3)nc3ccsc23)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.