Using O=C1Cc2cc(F)ccc2N1, COC(Cc1ccc2c(n1)COC2=O)OC to produce COC(Cc1ccc2c(n1)COC2=C1C(=O)Nc2ccc(F)cc21)OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.