Using O=C(O)c1cc2ccccc2cn1, CCOC(=O)c1cc(SCC)cc2[nH]c(N)nc12 to produce CCOC(=O)c1cc(SCC)cc2nc(NC(=O)c3cc4ccccc4cn3)[nH]c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.