Using COc1ccc2cccnc2c1N1CCCN(C(c2ccn(C(C)C)n2)C(C)C(=O)O)CC1 to produce COc1ccc2cccnc2c1N1CCCN(C(CC(=O)O)c2ccn(C(C)C)n2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.