Using C=C(C)c1cnc(N(C(=O)OC(C)(C)C)C(=O)OC(C)(C)C)c(C(=O)OC)n1 to produce COC(=O)c1nc(C(C)C)cnc1N(C(=O)OC(C)(C)C)C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.