Using CCOC(=O)c1ccc(-c2cccc(-c3cc(N4CCN(C)CC4)ccn3)c2)cc1 to produce CN1CCN(c2ccnc(-c3cccc(-c4ccc(C(=O)O)cc4)c3)c2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.