Using CCOC(=O)c1cc2cc(OCC3CCN(C)CC3)ccc2[nH]1 to produce CN1CCC(COc2ccc3[nH]c(C(=O)O)cc3c2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.