Using O=C(N1CCc2cc(OCc3ccccc3)ccc2C1c1ccc(OCCN2CCCC2)cc1)C(F)(F)F to produce c1ccc(COc2ccc3c(c2)CCNC3c2ccc(OCCN3CCCC3)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.