Using O=C(C(=O)N1CCC(O)(c2ccccc2)CC1)c1c[nH]c2ccccc12 to produce OC1(c2ccccc2)CCN(CCc2c[nH]c3ccccc23)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.