Using CC(C)(C)OC(=O)N1CCC(N2C(=O)C(C)(C)c3nccnc32)CC1 to produce CC1(C)C(=O)N(C2CCNCC2)c2nccnc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.