Using COC(=O)CC(=O)OC, Cc1c(Cc2c(N)n[nH]c2N)cccc1C(F)(F)F to produce Cc1c(Cc2c(N)nn3c2NC(=O)CC3=O)cccc1C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.