Using O=C(CCc1ccccc1)N1CCN(C(=O)COCc2ccccc2)CC1 to produce c1ccc(CCCN2CCN(CCOCc3ccccc3)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.