Using Cc1cc(N)c2[nH]c(-c3ccccn3)cc2c1, O=C1CCCC1 to produce Cc1cc(NC2CCCC2)c2[nH]c(-c3ccccn3)cc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.