Using CC(C)(C)OC(=O)N1CCC(=O)C1, C[C@@H]1C(=O)NN=C2COc3ccc(N)cc3N21 to produce C[C@@H]1C(=O)NN=C2COc3ccc(NC4CCN(C(=O)OC(C)(C)C)C4)cc3N21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.