Using NCCCc1ccccc1, NC(=O)c1ccc(OC2CCC(=O)CC2)cc1 to produce NC(=O)c1ccc(OC2CCC(NCCCc3ccccc3)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.