Using Cc1cnccc1NC(=O)OC(C)(C)C, O=Cc1cccnc1F to produce CC(C)(C)OC(=O)Nc1ccncc1CC(O)c1cccnc1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.