Using NC1CCCCCC1, O=C(O)Cc1ccc2c(c1)Cc1ccccc1-2 to produce O=C(Cc1ccc2c(c1)Cc1ccccc1-2)NC1CCCCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.