Using CNC(=O)c1ccc(-c2nccnc2C2CCN(C(=O)OC(C)(C)C)CC2)cc1F to produce CNC(=O)c1ccc(-c2nccnc2C2CCNCC2)cc1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.