Using CCOC(=O)c1nc2n(c(=O)c1OC(=O)c1ccccc1)CC1CCC2(NC(=O)OCc2ccccc2)CC1 to produce CCOC(=O)c1nc2n(c(=O)c1OC(=O)c1ccccc1)CC1CCC2(N)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.