Using C/C(N)=N/N, CCOC(=O)C(=O)CN1C(=O)c2ccccc2C1=O to produce Cc1nnc(CN2C(=O)c3ccccc3C2=O)c(=O)[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.