Using Nc1ccc(F)c(F)c1OC1(C(C(=O)O)N(Cc2ccccc2)Cc2ccccc2)CCOCC1 to produce O=C1Nc2ccc(F)c(F)c2OC2(CCOCC2)C1N(Cc1ccccc1)Cc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.