Using CCOC(=O)CBr, O=c1[nH]nc2ccc(OCCCN3CCC(OC(c4ccccc4)c4ccccc4)CC3)nn12 to produce CCOC(=O)Cn1nc2ccc(OCCCN3CCC(OC(c4ccccc4)c4ccccc4)CC3)nn2c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.