Using CCOC(=O)c1nn(C)c2c1CCc1cnc(N)nc1-2, CC(=O)N1CCC(=O)CC1 to produce CCOC(=O)c1nn(C)c2c1CCc1cnc(NC3CCN(C(C)=O)CC3)nc1-2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.