Using CCCCN1CCC(CC2CCCC3c4ccccc4N(C(=O)O)C23)CC1 to produce CCCCN1CCC(Cc2cccc3c4ccccc4n(C(=O)O)c23)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.