Using CCCN1CCN(c2ccc(C(=O)NC3(C(=O)O)CCCCC3)cc2)CC1 to produce CCCN1CCN(c2ccc(C3=NC4(CCCCC4)C(=O)O3)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.