Using O=C(c1ccccc1)N1CCC(Cc2ccccc2)(C(=O)O)CC1 to produce O=C(c1ccccc1)N1CCC2(CC1)Cc1ccccc1C2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.