Using CN(C)C(=O)c1cc(NCC2CCN(C(=O)OCc3ccccc3)CC2)ccn1 to produce CN(C)Cc1cc(NCC2CCN(C(=O)OCc3ccccc3)CC2)ccn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.