Using O=C1c2ccccc2C(=O)N1CCCCCBr, Cc1nc2cccc3c(=O)[nH]c1n23 to produce Cc1nc2cccc3c(=O)n(CCCCCN4C(=O)c5ccccc5C4=O)c1n23, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.