Using O=C([O-])[O-], CC(C)(C)OC(=O)N1CCc2ccc(Cl)c(-c3[nH]nnc3-c3ccccc3)c2CC1 to produce Cn1nc(-c2ccccc2)c(-c2c(Cl)ccc3c2CCN(C(=O)OC(C)(C)C)CC3)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.