Using CC(C)(C)OC(=O)NC1=NC(C)(c2cc(NC(=O)c3ccc(Cl)cn3)ccc2F)C(F)(F)COC1 to produce CC1(c2cc(NC(=O)c3ccc(Cl)cn3)ccc2F)N=C(N)COCC1(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.