Using O=c1[nH]c(=O)n(-c2ccnc(Cl)n2)cc1C1c2ccccc2C=Cc2ccccc21, COC(=O)CN to produce COC(=O)CNc1nccc(-n2cc(C3c4ccccc4C=Cc4ccccc43)c(=O)[nH]c2=O)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.