Using O=C1c2ccccc2C(=O)N1CCn1cnc(-c2ccccc2)c1-c1ccccc1 to produce NCCn1cnc(-c2ccccc2)c1-c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.