Using CN1CCN(c2nc(-c3ccc(C(=O)NC4(C(=O)O)CCCCC4)cc3)cs2)CC1 to produce CN1CCN(c2nc(-c3ccc(C4=NC5(CCCCC5)C(=O)O4)cc3)cs2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.