Using CCOC(C)=O, CC(C)(C)OC(=O)N1CCc2nc3ccnn3c(N3CC[C@H]3CO)c2CC1 to produce COC[C@@H]1CCN1c1c2c(nc3ccnn13)CCN(C(=O)OC(C)(C)C)CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.