Using O=C1c2ccccc2C(=O)N1CCCBr, CN(C)CCc1ccc(O)cc1 to produce CN(C)CCc1ccc(OCCCN2C(=O)c3ccccc3C2=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.