Using O=C1COC(c2ccc(O)cc2C(F)(F)F)CN1Cc1ccccc1 to produce Oc1ccc(C2CN(Cc3ccccc3)CCO2)c(C(F)(F)F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.