Using CC(=O)c1ccc2c(c1)CCCC2, O=Cc1ccc(N2CCOCC2)cc1 to produce O=C(C=Cc1ccc(N2CCOCC2)cc1)c1ccc2c(c1)CCCC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.