Using O=C(O)c1cccnc1Oc1cccc(C(F)(F)F)c1, c1ccc2c(c1)CCCN2 to produce O=C(c1cccnc1Oc1cccc(C(F)(F)F)c1)N1CCCc2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.