Using c1ccc(COc2ccc3c(c2)CCNCC3)cc1, O=C1CCC1 to produce c1ccc(COc2ccc3c(c2)CCN(C2CCC2)CC3)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.