Using O=C=Nc1ccccc1, Cc1ccccc1-c1n[nH]c2ncc3c(c12)CCNC3 to produce Cc1ccccc1-c1n[nH]c2ncc3c(c12)CCN(C(=O)Nc1ccccc1)C3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.